Half-moon Hairstreak (Satyrium semiluna) is listed as Endangered in Canada on Schedule 1 of the Species at Risk Act (SARA). The butterfly was assessed as Endangered by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) due to a small, restricted range and decline, likely as a result of habitat loss. In British Columbia (B.C.), the conservation status rank of Half-moon Hairstreak is S1 (imperiled) and is on the provincial Red list. The B.C. Conservation Framework ranks Half-moon Hairstreak as a priority 1 under goal 3 (maintain the diversity of native species and ecosystems). Half-moon Hairstreak is identified as a Species At Risk under the Forest and Range Practices Act and is listed as Identified Wildlife under the Identified Wildlife Management Strategy. The Alberta Conservation Information Management System (ACIMS) lists the species provincially as S1 (imperiled; Red-listed). Recovery of Half-moon Hairstreak is considered biologically and technically feasible.
The population and distribution goal for Half-moon Hairstreak is to ensure the persistence of populations of Half-moon Hairstreak at all known extant locations (and any new locations) within the species? range in Canada.
The recovery objectives are
1. To establish habitat protection1 for the eight known extant Half-moon Hairstreak locations.
2. To assess and mitigate the extent of known and potential threats at each Half-moon Hairstreak location.
3. To confirm the distribution of all populations (existing and new locations) of Half-moon Hairstreak in British Columbia and Alberta.
4. To address knowledge gaps such as life history, dispersal and population information, and habitat requirements.
British Columbia Southern Interior Invertebrates Recovery Team. 2011. Recovery Strategy for Half-moon Hairstreak (Satyrium semiluna) in British Columbia and Alberta. Province of British Columbia. Recovery Plan
Topic: Recovery Planning
Keywords: "species at risk", "British Columbia Conservation Framework", "red list", "red listed"
Scientific Name: Satyrium semiluna
English Name: Half-moon Hairstreak
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